112299990 has 64 divisors (see below), whose sum is σ = 298225152. Its totient is φ = 26835200.

The previous prime is 112299989. The next prime is 112300003. The reversal of 112299990 is 99992211.

It is a super-2 number, since 2×112299990² = 25222575508000200, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 21034 + ... + 25826.

It is an arithmetic number, because the mean of its divisors is an integer number (4659768).

Almost surely, 2^112299990 is an apocalyptic number.

112299990 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 112299990, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (149112576).

112299990 is an abundant number, since it is smaller than the sum of its proper divisors (185925162).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

112299990 is a wasteful number, since it uses less digits than its factorization.

112299990 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4885.

The product of its (nonzero) digits is 26244, while the sum is 42.

The square root of 112299990 is about 10597.1689615670. The cubic root of 112299990 is about 482.4584373624.

The spelling of 112299990 in words is "one hundred twelve million, two hundred ninety-nine thousand, nine hundred ninety".